CN210830522U - Two-way butterfly valve sealed firmly - Google Patents

Abstract

The utility model discloses a two-way hard seal butterfly valve, including connecting pipe, sleeve pipe, fixing device and buffer, the connecting pipe both ends all communicate there is the sleeve pipe, the intraduct all is provided with multiunit fixing device, the fixed welding of connecting pipe top center department has the installing frame, the fixed welding of connecting pipe bottom center department has the fixing base, the inside both sides of installing frame all are provided with buffer, installing frame top center department is provided with the connecting block, the connecting block bottom welds with the fixed of case one end, the other end of case runs through installing frame, connecting pipe and fixing base top in proper order to extend to inside the fixing base, and rotate with fixing base inner chamber diapire and be connected, the case sets up and serves fixed welding at the connecting pipe is inside to have two sets of cover to connect the piece, and is two sets of the cover connects the corresponding setting. The bidirectional hard seal butterfly valve is simple in structure, good in sealing performance and high in practicability.

Description

Two-way butterfly valve sealed firmly

Technical Field

The utility model belongs to the technical field of the butterfly valve, concretely relates to two-way butterfly valve sealed firmly.

Background

The butterfly valve is also called as a flap valve and is a regulating valve with simple structure, the butterfly valve which can be used for the on-off control of low-pressure pipeline media is a valve that a closing part (a valve clack or a butterfly plate) is a disc and rotates around a valve shaft to open and close, and the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like; according to the existing bidirectional hard seal butterfly valve, the sealing ring is abutted against the side wall of the inner cavity of the connecting pipe to realize sealing, but the sealing effect is only limited to one-way sealing, and when a medium is conveyed to a high place, the sealing is insufficient, and the medium flows back.

Therefore, in order to meet the current situation, the design and production of a bidirectional hard sealing butterfly valve are urgently needed to meet the requirement of practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two-way butterfly valve sealed firmly to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a two-way hard seal butterfly valve, includes connecting pipe, sleeve pipe, fixing device and buffer, the connecting pipe both ends all communicate there is the sleeve pipe, the intraductal multiunit fixing device that all is provided with of sleeve, connecting pipe top center department fixed welding has the installing frame, connecting pipe bottom center department fixed welding has the fixing base, the inside both sides of installing frame all are provided with buffer, installing frame top center department is provided with the connecting block, the connecting block bottom welds with case one end is fixed, the other end of case runs through installing frame, connecting pipe and fixing base top in proper order to extend to inside the fixing base, and rotate with fixing base inner chamber diapire and be connected, the case sets up and serves fixed welding at the connecting pipe is served and is served two sets of cover joint blocks, and is two sets of cover joint block corresponds.

Preferably, fixing device includes turning block, threaded rod, presss from both sides tight piece and rubber pad, the intraduct is provided with the tight piece of multiunit clamp, it is close to sleeve pipe one end and threaded rod one end swing joint to press from both sides tight piece, the threaded rod other end runs through the sleeve pipe lateral wall to extend to the sleeve pipe outside, and fixed welding has the turning block, it has the rubber pad to keep away from to glue on the sleeve pipe one end to press from both sides tight piece.

Preferably, buffer includes movable block, solid fixed cylinder, sliding block and buffer spring, the equal fixed welding in inside roof both sides of installing frame has the movable block, the movable block bottom runs through solid fixed cylinder top to inside extending to solid fixed cylinder, and fixed welding has the sliding block, sliding block and the inside both sides wall sliding connection of solid fixed cylinder, the fixed welding in sliding block bottom has buffer spring, the sliding block passes through buffer spring and the fixed welding in spring holder top, spring holder bottom and the inside diapire fixed welding of solid fixed cylinder, gu fixed cylinder bottom and the fixed welding of installing frame inner chamber diapire.

Preferably, two sets of both ends all fixed welding have first valve plate and second valve plate about the piece that cup joints, all bond on first valve plate and the second valve plate circumferential surface has the sealing washer, first valve plate and second valve plate pass through the sealing washer and contradict on the inside lateral wall of connecting pipe.

Preferably, the fixed welding in connecting block top has fixed lid, the fixed welding of fixed lid right side wall lower extreme has the handle, the handle is kept away from fixed lid pot head and is equipped with the slipmat, the equal fixed welding in lower wall left and right sides has the engaging lug on the connecting pipe.

The utility model discloses a technological effect and advantage: the bidirectional hard sealing butterfly valve has the advantages that the two sets of the sleeving blocks, the first valve plate, the second valve plate and the sealing ring are matched with one another, so that the bidirectional sealing effect is achieved, and the backflow phenomenon of a medium during high-position conveying is reduced; through the arranged buffer device, the movable block, the fixed barrel, the sliding block, the buffer spring and the spring seat are matched with each other for use, so that the external acting force is effectively reduced, the damage to the valve core is caused, and the service life of the device is prolonged; by the aid of the arranged fixing device, the rotating block, the threaded rod, the clamping block and the rubber pad are matched with one another, so that the pipe body is conveniently connected with an equipment pipeline, and the connection strength of the pipe body and the equipment pipeline can be improved; the bidirectional hard seal butterfly valve is simple in structure, good in sealing performance and high in practicability.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

fig. 2 is a cross-sectional view of the bushing of the present invention;

fig. 3 is a sectional view of the buffering device of the present invention.

In the figure: the valve comprises a connecting pipe 1, a sleeve 2, a fixing device 3, a rotating block 31, a threaded rod 32, a clamping block 33, a rubber pad 34, a buffer device 4, a movable block 41, a fixed barrel 42, a sliding block 43, a buffer spring 44, a spring seat 45, a connecting block 5, a fixed cover 6, a handle 7, an installation frame 8, a valve core 9, a sleeving block 10, a first valve plate 11, a second valve plate 12, a fixed seat 13 and a connecting lug 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.

The utility model provides a two-way hard seal butterfly valve as shown in figures 1-3, which comprises a connecting pipe 1, a sleeve 2, a fixing device 3 and a buffer device 4, wherein both ends of the connecting pipe 1 are communicated with the sleeve 2, a plurality of groups of fixing devices 3 are arranged inside the sleeve 2, a mounting frame 8 is fixedly welded at the center of the top of the connecting pipe 1, a fixed seat 13 is fixedly welded at the center of the bottom of the connecting pipe 1, buffer devices 4 are arranged at both sides inside the mounting frame 8, a connecting block 5 is arranged at the center of the top of the mounting frame 8, the bottom of the connecting block 5 is fixedly welded with one end of a valve core 9, the other end of the valve core 9 sequentially penetrates through the tops of the mounting frame 8, the connecting pipe 1 and the fixed seat 13 and extends to the inside of the fixed seat 13 and is rotatably connected with the bottom wall of an inner cavity of the fixed seat 13, the valve, the two sets of the sleeving blocks 10 are correspondingly arranged in the connecting pipe 1.

Specifically, fixing device 3 includes turning block 31, threaded rod 32, presss from both sides tight piece 33 and rubber pad 34, 2 inside multiunit clamp pieces 33 that are provided with of sleeve pipe, it is close to 2 one ends of sleeve pipe and the one end swing joint of threaded rod 32 to press from both sides tight piece 33, the threaded rod 32 other end runs through the 2 lateral walls of sleeve pipe to extend to the sleeve pipe 2 outside, and fixed welding has turning block 31, it has rubber pad 34 to glue to keep away from one of 2 sides of sleeve pipe to press from both sides tight piece 33.

Specifically, buffer 4 includes movable block 41, a fixed section of thick bamboo 42, sliding block 43 and buffer spring 44, the equal fixed welding in the inside roof both sides of installing frame 8 has movable block 41, movable block 41 bottom runs through a fixed section of thick bamboo 42 top to inside extending to a fixed section of thick bamboo 42, and fixed welding has sliding block 43, sliding block 43 and the inside both sides wall sliding connection of a fixed section of thick bamboo 42, the fixed welding in sliding block 43 bottom has buffer spring 44, and buffer spring 44 has reduced the loss that case 9 received external acting force, sliding block 43 passes through buffer spring 44 and the fixed welding in spring holder 45 top, the fixed welding of the inside diapire of spring holder 45 bottom and a fixed section of thick bamboo 42, fixed welding in fixed section of thick bamboo 42 bottom and the 8 inner chamber diapire of installing frame.

Specifically, it is two sets of both ends are all fixed welding to overlap about piece 10 have first valve plate 11 and second valve plate 12, all bond on first valve plate 11 and the 12 circumference surfaces of second valve plate and have the sealing washer, first valve plate 11 and second valve plate 12 are contradicted on connecting pipe 1 inside lateral wall through the sealing washer.

Specifically, 5 top fixed welding of connecting block has fixed lid 6, the fixed welding of fixed lid 6 right side wall lower extreme has handle 7, handle 7 is kept away from fixed lid 6 pot head and is equipped with the slipmat, the equal fixed welding of the equal fixed welding in wall left and right sides has engaging lug 14 about connecting pipe 1.

Specifically, this two-way butterfly valve sealed firmly utilizes rotatory turning block 31, and turning block 31 drives threaded rod 32 and rotates when using for multiunit presss from both sides tight piece 33 and carries out fixed connection to body and equipment pipeline, then fixes the device through engaging lug 14, and effort when preventing that the medium from carrying has the device to remove, and at last through rotating handle 7, the direction of adjusting valve plate 11, thereby makes the transport that reaches the medium.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (5)

1. The utility model provides a two-way butterfly valve sealed firmly, includes connecting pipe (1), sleeve pipe (2), fixing device (3) and buffer (4), its characterized in that: the connecting pipe is characterized in that two ends of the connecting pipe (1) are communicated with the sleeve (2), a plurality of groups of fixing devices (3) are arranged inside the sleeve (2), an installation frame (8) is fixedly welded at the center of the top of the connecting pipe (1), a fixing seat (13) is fixedly welded at the center of the bottom of the connecting pipe (1), buffering devices (4) are arranged on two sides inside the installation frame (8), a connecting block (5) is arranged at the center of the top of the installation frame (8), the bottom of the connecting block (5) is fixedly welded with one end of a valve core (9), the other end of the valve core (9) sequentially penetrates through the tops of the installation frame (8), the connecting pipe (1) and the fixing seat (13) and extends into the fixing seat (13) to be rotatably connected with the bottom wall of an inner cavity of the fixing seat (13), and two groups of sleeving blocks (10) are fixedly, the two sets of the sleeving blocks (10) are correspondingly arranged in the connecting pipe (1).

2. The bidirectional hard seal butterfly valve of claim 1, wherein: fixing device (3) include turning block (31), threaded rod (32), press from both sides tight piece (33) and rubber pad (34), sleeve pipe (2) inside is provided with multiunit and presss from both sides tight piece (33), press from both sides tight piece (33) and be close to sleeve pipe (2) one end and threaded rod (32) one end swing joint, the threaded rod (32) other end runs through sleeve pipe (2) lateral wall to extend to sleeve pipe (2) outside, and fixed welding has turning block (31), it has rubber pad (34) to glue to keep away from sleeve pipe (2) one end in pressing from both sides tight piece (33).

3. The bidirectional hard seal butterfly valve of claim 1, wherein: buffer (4) are including movable block (41), a fixed section of thick bamboo (42), sliding block (43) and buffer spring (44), the equal fixed welding in installing frame (8) inside roof both sides has movable block (41), fixed section of thick bamboo (42) top is run through to movable block (41) bottom to extend to inside fixed section of thick bamboo (42), and fixed welding has sliding block (43), sliding block (43) and fixed section of thick bamboo (42) inside both sides wall sliding connection, the fixed welding in sliding block (43) bottom has buffer spring (44), sliding block (43) are through buffer spring (44) and spring holder (45) top fixed welding, spring holder (45) bottom and the fixed welding of the inside diapire of a fixed section of thick bamboo (42), fixed section of thick bamboo (42) bottom and installing frame (8) inner chamber diapire fixed welding.

4. The bidirectional hard seal butterfly valve of claim 1, wherein: two sets of both ends are all fixed welding has first valve plate (11) and second valve plate (12) about overlap joint piece (10), all bond on first valve plate (11) and second valve plate (12) circumference surface has the sealing washer, conflict on connecting pipe (1) inside lateral wall through the sealing washer in first valve plate (11) and second valve plate (12).

5. The bidirectional hard seal butterfly valve of claim 1, wherein: connecting block (5) top fixed welding has fixed lid (6), fixed lid (6) right side wall lower extreme fixed welding has handle (7), handle (7) are kept away from fixed lid (6) pot head and are equipped with the slipmat, the equal fixed welding of connecting pipe (1) upper and lower wall left and right sides has engaging lug (14).

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